Number of Carlitz compositions of n with exactly one descent.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =13a(5) =21a(6) =33a(7) =50a(8) =73a(9) =106a(10) =150a(11) =209a(12) =289a(13) =393a(14) =529a(15) =707a(16) =935a(17) =1227a(18) =1601a(19) =2072a(20) =2666a(21) =3413a(22) =4344a(23) =5501a(24) =6937a(25) =8707a(26) =10883a(27) =13554a(28) =16815a(29) =20787